Cruise Control Problem

Discussion in 'Peterbilt Forum' started by Catfish51, Jun 24, 2013.

  1. Catfish51

    Catfish51 Bobtail Member

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    Jun 24, 2013
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    I have an 01 379 Pete that had a Detroit , but now has a 475 Cat E-model. My problem has to do with the Cruise Control. I will set and start to accelerate , then shuts off. Or you can resume and it does the same thing. Any ideas?
     
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  3. Big Duker

    Big Duker "Don Cheto"

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    Sep 18, 2007
    Weatherford, TX
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    Mine acted up the other day. Couldn't get it to set. Finally noticed trailer brake lights on all the time. Had short in ABS. Took the fuse out and ran fine until I got back and had them repair it. Good luck.
     
  4. Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    Touchy clutch switch or brake switch will kill the cruise.
     
    fargonaz Thanks this.
  5. Dna Mach

    Dna Mach Road Train Member

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    Aug 8, 2008
    Texas
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    Lift up on the clutch pedal and see what that does. Sometimes the pedal will have to much freeplay and running down the road will move the pedal enough to kick off the cruise.
     
  6. Catfish51

    Catfish51 Bobtail Member

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    Jun 24, 2013
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    Thank you, it seems to also be affecting the Jake as well...
     
  7. Wolfyinc

    Wolfyinc Road Train Member

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    Apr 21, 2013
    Salem, or
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    this was my problem someone else said the same thing, cruise was working fine then i stopped for fuel and it wasnt working when I took off, the next day someone told me lift the clutch pedal with my foot while going down the road, that solved the problem since then a few times.
     
  8. WorldofTransportation

    WorldofTransportation Heavy Load Member

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    Sep 20, 2009
    Your mother
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    If it is affecting the jake as well it is either going to be the clutch switch or a air pressure switch... (a little E.T head shaped thing with 2 prongs on it.) when you replace the air pressure switch make sure you get the right one.. it will either be open or closed......
     
  9. Catfish51

    Catfish51 Bobtail Member

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    Jun 24, 2013
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    Again thank you and been trying everything so far to no avail.
     
  10. Catfish51

    Catfish51 Bobtail Member

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    Jun 24, 2013
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    Where is the clutch switch. I thought it was on the pedal...
     
  11. Catfish51

    Catfish51 Bobtail Member

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    Jun 24, 2013
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    Under the can. If I hold up on the set it accelerates but won't stay engaged...
     
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